10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.tools.jdeps;
27
28 import com.sun.tools.classfile.ClassFile;
29 import com.sun.tools.classfile.ConstantPoolException;
30 import jdk.internal.misc.SharedSecrets;
31
32 import java.util.Map;
33 import java.util.concurrent.ConcurrentHashMap;
34 import java.util.jar.JarEntry;
35 import java.util.jar.JarFile;
36
37 public class VersionHelper {
38 private static final String META_INF_VERSIONS = "META-INF/versions/";
39 private static final Map<String,String> nameToVersion = new ConcurrentHashMap<>();
40
41 public static String get(String classname) {
42 if (nameToVersion.containsKey(classname)) {
43 return nameToVersion.get(classname) + "/" + classname;
44 }
45 return classname;
46 }
47
48 public static void add(JarFile jarfile, JarEntry e, ClassFile cf)
49 throws ConstantPoolException
50 {
51 String realName = SharedSecrets.javaUtilJarAccess().getRealName(jarfile, e);
52 if (realName.startsWith(META_INF_VERSIONS)) {
53 int len = META_INF_VERSIONS.length();
54 int n = realName.indexOf('/', len);
55 if (n > 0) {
56 String version = realName.substring(len, n);
57 assert (Integer.parseInt(version) > 8);
58 String name = cf.getName().replace('/', '.');
59 if (nameToVersion.containsKey(name)) {
60 if (!version.equals(nameToVersion.get(name))) {
61 throw new MultiReleaseException(
62 "err.multirelease.version.associated",
63 name, nameToVersion.get(name), version
64 );
65 }
66 } else {
67 nameToVersion.put(name, version);
68 }
69 } else {
70 throw new MultiReleaseException("err.multirelease.jar.malformed",
71 jarfile.getName(), realName);
|
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.tools.jdeps;
27
28 import com.sun.tools.classfile.ClassFile;
29 import com.sun.tools.classfile.ConstantPoolException;
30
31 import java.util.Map;
32 import java.util.concurrent.ConcurrentHashMap;
33 import java.util.jar.JarEntry;
34 import java.util.jar.JarFile;
35
36 public class VersionHelper {
37 private static final String META_INF_VERSIONS = "META-INF/versions/";
38 private static final Map<String,String> nameToVersion = new ConcurrentHashMap<>();
39
40 public static String get(String classname) {
41 if (nameToVersion.containsKey(classname)) {
42 return nameToVersion.get(classname) + "/" + classname;
43 }
44 return classname;
45 }
46
47 public static void add(JarFile jarfile, JarEntry e, ClassFile cf)
48 throws ConstantPoolException
49 {
50 String realName = e.getRealName();
51 if (realName.startsWith(META_INF_VERSIONS)) {
52 int len = META_INF_VERSIONS.length();
53 int n = realName.indexOf('/', len);
54 if (n > 0) {
55 String version = realName.substring(len, n);
56 assert (Integer.parseInt(version) > 8);
57 String name = cf.getName().replace('/', '.');
58 if (nameToVersion.containsKey(name)) {
59 if (!version.equals(nameToVersion.get(name))) {
60 throw new MultiReleaseException(
61 "err.multirelease.version.associated",
62 name, nameToVersion.get(name), version
63 );
64 }
65 } else {
66 nameToVersion.put(name, version);
67 }
68 } else {
69 throw new MultiReleaseException("err.multirelease.jar.malformed",
70 jarfile.getName(), realName);
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